case strings.HasPrefix(line, "created by "):
			funcName := line[len("created by "):]
			cur.createdBy = parseFrame(funcName, "")
		case strings.HasSuffix(line, ")"):
			line = line[:len(line)-1] // Trim trailing ")"
			funcName, args, found := strings.Cut(line, "(")
			if !found {
				fatal("missing (")
			}
			frame := parseFrame(funcName, args)
			cur.frames = append(cur.frames, frame)
		case elidedRe.MatchString(line):

class RuntimeDevices {
  using DeviceNameUtils = ::tensorflow::DeviceNameUtils;
  using ParsedName = ::tensorflow::DeviceNameUtils::ParsedName;

 public:
  // Adds a device with and empty metadata. Device can be of any type.
  void AddDevice(const ParsedName& device);

  // Adds a GPU device with GPU specific metadata.
  void AddGpuDevice(const ParsedName& device,
                    const GpuDeviceMetadata& metadata);

#include "tensorflow/core/util/device_name_utils.h"

namespace mlir {
namespace TF {
namespace {
using DeviceNameUtils = ::tensorflow::DeviceNameUtils;
using ParsedName = ::tensorflow::DeviceNameUtils::ParsedName;

bool IsGpuDevice(const DeviceNameUtils::ParsedName &device) {
  return device.type == ::tensorflow::DEVICE_GPU;
}

}  // namespace

// Returns true if at least one GPU device is available at runtime.

#include "tensorflow/compiler/mlir/tensorflow/ir/tf_structs.h"

#include <optional>

namespace mlir {
namespace TF {

void RuntimeDevices::AddDevice(const ParsedName& device) {
  device_names_.push_back(device);
}

void RuntimeDevices::AddGpuDevice(const ParsedName& device,
                                  const GpuDeviceMetadata& metadata) {
  device_names_.push_back(device);

  // TODO(sanjoy): Cache DeviceNameUtils::ParsedName inside device_info_cache.
  const auto is_multiple_devices =
      [&](const jit::DeviceId& d0, std::optional<jit::DeviceId>* d1) -> bool {
    const absl::string_view name0 = device_info_cache.GetNameFor(d0);
    const absl::string_view name1 = device_info_cache.GetNameFor(d1->value());

    DeviceNameUtils::ParsedName parsed0, parsed1;

	var s string
	if err := json.Unmarshal(data, &s); err != nil {
		return err
	}

	eventName, err := ParseName(s)
	if err != nil {
		return err
	}

	*name = eventName
	return nil
}

// ParseName - parses string to Name.
func ParseName(s string) (Name, error) {
	switch s {
	case "s3:BucketCreated:*":
		return BucketCreated, nil
	case "s3:BucketRemoved:*":

// given name, of type nameType. The argument parsedName contains the parsed
// form of name, suitable for passing to the match function. The total number
// of comparisons is tracked in the given count and should not exceed the given
// limit.
func (c *Certificate) checkNameConstraints(count *int,
	maxConstraintComparisons int,
	nameType string,
	name string,
	parsedName any,

)

// Copy returns a copy of the [Tree]. Any parsing state is discarded.
func (t *Tree) Copy() *Tree {
	if t == nil {
		return nil
	}
	return &Tree{
		Name:      t.Name,
		ParseName: t.ParseName,
		Root:      t.Root.CopyList(),
		text:      t.text,
	}
}

// Parse returns a map from template name to [Tree], created by parsing the

mlir::LogicalResult GetDevicesFromOp(mlir::Operation* op,
                                     mlir::ArrayAttr array_attr,
                                     mlir::TF::RuntimeDevices* devices) {
  DeviceNameUtils::ParsedName device;

  for (const auto& kv : llvm::enumerate(array_attr)) {
    const int idx = kv.index();

    auto string_attr = mlir::dyn_cast<mlir::StringAttr>(kv.value());
    if (!string_attr)

	fi, err := tracef.Stat()
	if err != nil {
		logAndDie(fmt.Errorf("failed to stat trace file: %v", err))
	}
	traceSize := fi.Size()

	// Handle requests for profiles.
	if *pprofFlag != "" {
		parsed, err := parseTrace(tracef, traceSize)
		if err != nil {
			logAndDie(err)
		}
		var f traceviewer.ProfileFunc
		switch *pprofFlag {
		case "net":
			f = pprofByGoroutine(computePprofIO(), parsed)
		case "sync":